Index: Jenkins/tools.groovy
===================================================================
--- Jenkins/tools.groovy	(revision 6cdec7e36fb8d0b33053f90d257ccb3d05dd7958)
+++ Jenkins/tools.groovy	(revision 6c0ef72badd23e82a9973d120b9f630fb21730e7)
@@ -38,5 +38,9 @@
 		if(commitHash) {
 			echo "Checking out commit <${commitHash}>"
-			final scmVars = checkout([$class: 'GitSCM', branches: [[name: commitHash ]], userRemoteConfigs: [[url: 'cforall@plg.uwaterloo.ca:software/cfa/cfa-cc']]])
+			final scmVars = checkout([$class: 'GitSCM', branches: [[name: commitHash ]],
+				userRemoteConfigs: [[
+					url: 'cforall@plg.uwaterloo.ca:software/cfa/cfa-cc',
+					credentialsId: 'git_key_aug20']]
+			])
 			echo GitLogMessage(scmVars.GIT_COMMIT, scmVars.GIT_PREVIOUS_COMMIT)
 		} else {